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742 Chapter 21: User Interface
at your viewpoint and the ends at the sides of the
view.
In a Camera viewport, Field-of-V iew controls the
w idth of the area a camer a views, and represents
the arc of the camera’s horizon in degrees. For a
selected camera, you can adjust its FOV and Lens
parameters (page 2–1373) directly to fine-tune the
FOV you set in the viewport. See “To use FOV with
Camera parameters” in the follow ing procedures.
Pr ocedur es
To adjust the field of view in a viewport:
1.
Activate a Perspective or Camera viewport.
2. Click Field-of-View.
Thebuttonhighlightsingoldwhenitison.
3. Drag in the viewport to adjust the FOV angle.
• Dragging down widens (inc reases) the FOV
angle, reduces lens length, displays more of
your scene, and exaggerates perspective.
• Dragging up narrows (decreases) the FOV
angle, increases lens length, displays less of
your scene, and flattens perspective.
4. To turn off the button, press Esc or right-click.
To enter an FOV value in a Perspective view:
1.
Activate a Perspective viewport.
2. Right-click Field-of-View to display the
Viewport Configuration dialog.
3. Click the Rendering Method tab.
4. In the Perspective User View group, enter an
angle in the FOV field.
5. Click OK to make the change.
To use FOV with Camera parameters:
1.
ActivateaCameraviewport.
2. Press H and select the viewport’s camera in
the Select Objects dialog (page 1–78).
3. Open the Modify panel to view the camera’s
Parameters rollout.
4. As you drag Field-of-View in the viewport, the
FOV and Lens parameters update in teractively.
5. Set the FOV and Lens p arameters directly, or
click a button in the Stock Lenses group.
Note: OnlytheFOVvalueissavedwiththe
camera. The Lens value (focal length) is
another way to express and select the FOV.
See Common Camera Parameters (page
2–1373).
Note: Using the Perspective button (page 3–747)
in a Camera viewport also changes the FOV in
concert with dollying the camera.
Zoom R egion
Activate an orthographic viewport. > V iewport
navigation controls > Zoom Region
Activate a Perspective viewport. > Viewport navigation
controls > Zoom Reg ion (from Field of View flyout)
Keyboard > Ctrl+W
Zoom Region magnifies a rectangular area you
drag within a viewport. This control is available
onlywhentheactiveviewportisanorthographic
(page 3–986), Perspective (page 3–992) or
User-Axonometric v iew (page 3–913).Itisnot
available for Camera viewports.
Zoom Region stays active until you right-click or
select another command.
Procedures
To zoom a r egion:
1.
Activate an orthographic or Perspective
view por t.
2. Click Zoom Region or press Ctr l+W .